Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Earnings per share reconciliation

In millions, except per share data	Year ended December 31,	2023		2022		2021
Net income		$	5,625	$	5,118	$	4,899
Weighted-average basic shares outstanding		657.7		686.4		708.5
Dilutive effect of stock-based compensation		1.4		1.9		1.8
Weighted-average diluted shares outstanding		659.1		688.3		710.3
Basic earnings per share		$	8.55	$	7.46	$	6.91
Diluted earnings per share		$	8.53	$	7.44	$	6.90
Units excluded from the calculation as their inclusion would not have a dilutive effect
Stock options		1.0		0.6		0.5
Performance share units		0.5		0.2		0.1